Ripples of Research: Natural Capital Part One
Introducing Natural Capital and Ecosystem Services
This blog is the first of a three-part series that aims to provide readers with a general understanding of the concept of natural capital and ecosystems. Including how researchers and decision-makers value natural capital and ecosystem services, and how WAI Wānaka, in conjunction with Castalia Advisors and Manaaki Whenua Landcare Research, are approaching the valuation of the Upper Clutha’s natural capital and ecosystem services.
LET’S EXPLORE
In a world grappling with climate change, biodiversity loss, and a growing awareness of the limits of our planet’s resources, the concept of natural capital and ecosystem services has emerged as a critical framework for understanding and valuing the benefits that nature provides to humanity. This blog will delve into the fascinating and complex world of natural capital and ecosystem services, shedding light on their importance and the need to protect and preserve our natural environment.
NATURAL CAPITAL: EARTH’S WEALTH
Natural capital refers to the Earth’s stock of natural assets, including forests, wetlands, oceans, soil, and biodiversity, which collectively provide a wide array of benefits to people. These benefits, often referred to as ecosystem services, can be divided into four main categories:
- Provisioning Services: These services encompass the tangible products that nature offers, such as food, freshwater, timber, and medicinal plants. For instance, forests provide timber and non-timber forest products, while rivers supply us with freshwater for drinking and irrigation.
- Regulating Services: Nature plays a vital role in regulating various ecological processes that are crucial for human survival. Examples include the regulation of climate through carbon sequestration, flood control by wetlands and forests, and disease control through natural predators.
- Supporting Services: These services are often less tangible but are fundamental for the functioning of ecosystems. They include nutrient cycling, soil formation, and pollination. Without these supporting services, other ecosystem services would be compromised.
- Cultural Services: Nature has profound cultural and recreational value. Parks, forests, and natural landscapes provide aesthetic, spiritual, and recreational benefits, contributing to our mental and emotional well-being.
THE IMPORTANCE OF ECOSYSTEM SERVICES
Ecosystem services underpin our economies, well-being, and overall quality of life. Yet, they are often taken for granted or undervalued in economic decision-making. Recognising their importance is crucial for several reasons:
- Economic Value: Ecosystem services have significant economic value. For instance, pollinators contribute billions of dollars to global agriculture by facilitating crop production. By understanding and quantifying these values, policymakers can make better informed decisions about land use and resource management.
- Resilience: Ecosystem services enhance the resilience of communities and societies. Wetlands, for instance, act as natural buffers against flooding, reducing the damage and costs associated with disasters.
- Health and Well-being: Access to natural spaces and clean air and water has a direct impact on our physical and mental health. Urban green spaces and natural areas are essential for recreation and relaxation, contributing to overall well-being.
- Biodiversity Conservation: Protecting and conserving ecosystems is essential for preserving biodiversity. Healthy and diverse ecosystems are more resilient to environmental change and provide habitats for countless species.
Preserving natural capital and the ecosystem services it provides is paramount in the face of growing environmental challenges. However, before preservation there needs to be a recognition of the values that natural capital and ecosystem services provide to humankind. In many cases, this involves quantifying these values to ensure they are accounted for in decision-making.
For part-two of this series, we will unpack domestic and international examples for how practitioners and decision-makers account for, and in some instances, quantify natural capital to understand the associated values that humans receive from the natural environment.
STAY TUNED!
Our ongoing work in this space is made possible thanks to the generous support of a private donor from our community.